A130748 - cp's OEIS frontend

A130748 Place n points on each of the three sides of a triangle, 3n points in all; a(n) = number of nondegenerate triangles that can be constructed using these points (plus the 3 original vertices) as vertices.

n	a(n)
1	17
2	72
3	190
4	395
5	711
6	1162
7	1772
8	2565
9	3565
10	4796
11	6282
12	8047
13	10115
14	12510
15	15256
16	18377
17	21897
18	25840
19	30230
20	35091
21	40447
22	46322
23	52740
24	59725
25	67301
26	75492
27	84322
28	93815
29	103995
30	114886
31	126512
32	138897
33	152065
34	166040
35	180846
36	196507
37	213047
38	230490

[17, 72, 190, 395, 711, 1162, 1772, 2565, 3565, 4796, 6282, 8047, 10115, 12510, 15256, 18377, 21897, 25840, 30230, 35091, 40447, 46322, 52740, 59725, 67301, 75492, 84322, 93815, 103995, 114886, 126512, 138897, 152065, 166040, 180846, 196507, 213047, 230490]

cp's OEIS Frontend

A130748 Place n points on each of the three sides of a triangle, 3n points in all; a(n) = number of nondegenerate triangles that can be constructed using these points (plus the 3 original vertices) as vertices.

Table of values

List of values